Though you might not have heard much about it from Samsung, one of the best new features in the Galaxy S7 and Galaxy S7 Edge is the way they handle auto-brightness.

Have you ever used a smartphone under sunlight and felt the display was either too dark or too bright? Conversely, does your phone look too bright or not bright enough in a dimly-lit room? While any phone will let you make manual adjustments, you might have to mess with those settings again later when brightness returns to normal.

It’s a nuisance, one that Samsung has reportedly eliminated with the Galaxy S7 and Galaxy S7 Edge. As Raymond Soneira of DisplayMate notes in his Galaxy S7 display shootout, both phones include a new feature called Personalized Automatic Brightness Control, which remembers your brightness preferences at multiple levels of ambient light. If you’re the type that fears battery drain from bright screens in direct sunlight, or hates having your eyeballs scorched while reading in the dark, you just make a single tweak to the slider. The phone then ties those settings to the current reading from its ambient light sensor.

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